ARM:net: an issue for k which is u32, never < 0
ARM:net: an issue for k which is u32, never < 0

  k is u32 which never < 0, need type cast, or cause issue.

Signed-off-by: Chen Gang <a683964d4489dfcd1de21d1566170b1d560c877b@asianux.com>
Acked-by: Russell King <f6aa0246ff943bfa8602cdf60d40c481b38ed232@arm.linux.org.uk>
Acked-by: Mircea Gherzan <6ebfca94b6ffafe0ed776a24d2cc06b8544fdf23@gmail.com>
Signed-off-by: David S. Miller <fe08d3c717adf2ae63592e4c9aec6e3e404d8e3e@davemloft.net>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas